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CVE-2026-19859

MEDIUM 6.5 CVSS 3.1
Published
September 6, 2026
Last modified
September 8, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-74
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Description

The JetFormBuilder WordPress plugin before 3.6.5.2 does not sanitize a request parameter before rendering it as message content, allowing unauthenticated users to execute arbitrary shortcodes registered on the site on any page displaying a form. Escaping is applied to that content before a later shortcode-expansion pass rather than after it, so the escaping can be bypassed.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown JetFormBuilder — Before 3.6.5.2

References

  • wpscan.com https://wpscan.com/vulnerability/19c115a5-4280-4b78-a460-140ecfc78d4f/
  • nvd.nist.gov Official NVD record